Question

4 mũ 6 nhân 3 mũ 4 nhân 9 mũ 5 phần 6 mũ 12

 

Answer 1

\(\dfrac{4^6\cdot3^4\cdot9^5}{6^{12}}=\dfrac{2^{12}\cdot3^4\cdot3^{10}}{2^{12}\cdot3^{12}}=3^2=9\)

Answer 2

tớ nghĩ là = 9 thì phải

Answer 3

\(4^6.3^4\cdot\dfrac{9^5}{6^{12}}=6^4.3^4\cdot\dfrac{3^{15}}{2^{12}.3^{12}}=9^4\cdot\dfrac{3^3}{1.3^{12}}=3^{12}\cdot\dfrac{1}{3^9}=3^3=27\)